[SOLVED] Dodge P0137 Code: Fix Low Voltage O2 Sensor Fast

The OBD code P0137 for Dodge indicates a fault with the rear heated oxygen sensor in Bank 1. This affects the emissions control system.

Symptoms include the engine light being on, high fuel consumption, and excessive exhaust smoke.

Causes can be a faulty sensor, wiring issues, fuel pressure problems, or intake/exhaust leaks.

It’s a moderate issue.

To fix, inspect and repair any damaged components or wiring related to the rear heated oxygen sensor Bank 1.

Repair Importance Level	6.67 (Out of 10)
Estimated Repair Time	Approximately 1.0 hour
Repair Difficulty Level	6.67 (Out of 10)

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Symptoms of the Dodge p0137 OBD Code

The Dodge P0137 fault code indicates a potential issue with the downstream oxygen sensor circuit.

With Dodge OBD code P0137, the Engine Light will be ON.
High Fuel Consumption can be noticed.
Excessive Smoke from Exhaust might be present.

Causes of the Dodge p0137 OBD Code

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Possible reasons for Dodge fault code P0137 include oxygen sensor issues or wiring faults.

P0137 can be caused by a Faulty Rear Heated Oxygen Sensor Bank 1.
A Rear Heated Oxygen Sensor Bank 1 harness that is open or shorted.
A Rear Heated Oxygen Sensor Bank 1 circuit with poor electrical connection.
Inappropriate fuel pressure.
Faulty fuel injectors.
Intake air leaks that may be faulty.
Exhaust gas leaks.

Fixing Dodge Error Code p0137 Step By Step

Replace faulty oxygen sensor in bank 1 sensor 2 for Dodge fault code P0137.

To fix the Dodge OBDII code P0137, review the ‘Possible Causes’ mentioned above and visually examine the corresponding wiring harness and connectors.
Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
Test the oxygen sensor for proper operation and replace it if necessary.
Clear the fault codes from the vehicle’s computer using a scan tool.
Drive the vehicle to see if the code returns.
If the code persists, further diagnostics may be needed to identify any underlying issues.

Cost Of Fixing Dodge p0137 Fault Code

Diagnosing and repairing Dodge code P0137 typically involves testing and replacing the oxygen sensor.

The cost to diagnose and fix the Dodge OBD code P0137 typically ranges from $75 to $150 per hour for labor rates.

With an estimated repair time of 1. 0 hour, the total cost could be around $75 to $150, depending on shop rates and the complexity of the issue.

Details of the Dodge p0137 OBD Code

Dodge fault code P0137 indicates a low voltage condition in the downstream oxygen sensor.

Dodge OBD code P0137 indicates a low voltage condition in the downstream oxygen sensor (Bank 1, Sensor 2).

This sensor is responsible for monitoring the efficiency of the catalytic converter.

The Engine Control Module (ECM) triggers this code when it detects a voltage signal below a specified range from the downstream oxygen sensor.

This signal is crucial for the ECM to adjust the airfuel mixture for optimal engine performance and emissions control.

Mechanic’s Tech Notes

For Dodge code P0137, check for faults in the oxygen sensor circuit.

To diagnose and fix OBDII code P0137 on a Dodge, start by using a voltmeter to test the oxygen sensor’s heater circuit for proper voltage.

Check for around 12 volts with the key on engine off.

Next, inspect the wiring harness and connectors for any damage or corrosion.

Ensure the connector pins are not broken, bent, or pushed out.

If everything looks good, consider replacing the oxygen sensor itself as it may be faulty.

Clear the code and monitor if it returns.

If the issue persists, further diagnostics with a scan tool to check sensor data and heater circuit operation may be necessary.

FAQ

1. What does OBD code P0137 mean in a Dodge vehicle?

OBD code P0137 in a Dodge means the rear heated oxygen sensor in bank 1 is not working properly. Check sensor, wiring, and connections for issues.

2. What are the common causes of OBD code P0137 in a Dodge vehicle?

Common causes of OBD code P0137 in a Dodge vehicle include a faulty rear heated oxygen sensor Bank 1, open/shorted sensor harness, poor electrical connection, and fuel system issues.

3. How can I diagnose and fix OBD code P0137 in my Dodge vehicle?

Diagnose and fix OBD code P0137 in Dodge: Symptoms include Engine Light ON, High Fuel Consumption, Excessive Smoke. Check Rear Heated Oxygen Sensor Bank 1 and related wiring for issues.

Wrap Up

If your Dodge is displaying OBD code P0137, you may experience poor fuel economy, rough idling, or a lack of power.

This code typically indicates a fault with the oxygen sensor in bank 1 sensor 2, caused by a faulty sensor, wiring issues, or an exhaust leak near the sensor.

To address Dodge OBD code P0137, start by inspecting the wiring harness and connectors for any damage or corrosion.

Test the oxygen sensor’s operation using a scan tool and replace it if necessary.

Ensure there are no exhaust leaks near the sensor affecting its readings.